The police are professional, even enforcing laws on litter to make Rwanda the cleanest country in Africa; plastic bags are confiscated at the airport.

• 国家的警察部门更加专业化，他们甚至会对垃圾管制而执行法律，以使卢旺达成为非洲最清洁的国家；塑料袋在机场也全部没收。